Respiratory
The passageways between the ambient environment and the gas exchange units of lungs are called?
Conducting airways.
What propels mucus toward the nasopharynx?
Cilia.
What are the three parts that make up the pharynx?
Nasopharynx, Oropharynx, Laryngopharynx
What is the the inflammation of the mucous membranes of the nasal cavity?
Rhinitis.
What fold functions as a sphincter during swallowing?
Aryepiglottic.
What structures consist of the upper airway?
Nose, Oral cavity, pharynx, and Larynx.
What plays a major role in the humidification and warming of inspired air?
Turbinate's.
What is an important anatomic landmark during the insertion of an endotracheal tube?
Vallecula
What size particles do not gain entry to the lower airways due to the filtering capacity of the nose?
Dust and pollen are examples
What an endotracheal tube is introduced to a patient requiring mechanical ventilation. which of the following functions of the nose is lost?
warming and humidifying
Which of the following are the main functions of the nose?
Filter, humidify, condition (warm or cool) inspired air, and smell.
What is the widening of the nostril's during periods of respiratory difficulty?
Nasal Flaring
Which of the following two reflexes are responsible for preventing aspiration of foreign material into the lungs?
Gag (glossopharyngeal) and swallow (vagus).
What type of epithelium cells form wall of the alveoli and pulmonary capillaries ?
Simple squamous.
Which of the following structures is responsible for substantially increasing the surface area of the nasal cavity?
The nasal conchea ( aka turbinate) create air flow and SA
What type of epithelium cells are found in bronchioles?
Simple Cuboidal
What type of epithelium covers the posterior two thirds of the nasal cavity and the tracheobronchial tree?
pseudostratified ciliated columnar epithelium.
What are air filled cavities that communicate with the nasal cavity?
Paranasal sinuses
What is the first line of defense for the tracheobronchial tree?
Vibrissae.
Which of the following maneuvers best describes the sniffing position?
Extended, pulling chin up.
What is the outer portion of the nose composed of ?
Bone and cartilage..
Why is the size of the tongue important to a Respiratory Therapist?
The bigger it is, the more it will block the airway.